Wall charger



FIG. 1 is a perspective view showing our new design for a wall charger,

FIG. 2 is a front view thereof,

FIG. 3 is a rear view thereof,

FIG. 4 is a top view thereof,

FIG. 5 is a bottom view thereof,

FIG. 6 is a left side view thereof,

FIG. 7 is a right side view thereof; and,

FIG. 8 is an exploded environmental perspective view thereof, with the cover and prong elements shown in an alternate position.

The broken lines shown represent unclaimed subject matter and form no part of the claimed design. 

CLAIM The ornamental design for a wall charger, as shown and described. 